This time it was a derecho, and in the same area the microburst hit, wind gusted up to 79 mph -- once again ripping the roofs off some buildings. [Videos after the jump.]
In this area alone, over a million people lost power. At the same time temperatures have hit the triple-digits. Not-so-fun fact: The disaster type that kills the most people in this area is the heat. (Or the humidity, depending on how you look at it.)